Home / 1,011,520.62-1,516,258.55-435,519.61

Finding the Fourth Proportional to 1,011,520.62, 1,516,258.55 and 435,519.61

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Solution

The fourth proportional to 1,011,520.62, 1,516,258.55 and 435,519.61 is: 652,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,520.62 : 1,516,258.55 = 435,519.61 : x
  2. Step 2: Convert to fraction form
    1,011,520.62/1,516,258.55 = 435,519.61/x
  3. Step 3: Cross multiply
    1,011,520.62x = 1,516,258.55 × 435,519.61
  4. Step 4: Simplify right side
    1,011,520.62x = 660,360,330,177.57
  5. Step 5: Solve for x
    x = 660,360,330,177.57/1,011,520.62
  6. Step 6: Final answer
    x = 652,839.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.